Change CSS rule in class using JQuery

Question

I have a class in CSS

.Foo
{
  width:20px;
}

Using Jquery I would like to do something similar to this on an event:

$(\".Fo         


        

Answer 1

I got thsi example in CSS api help in JQuery API.

this worked for me : http://jsfiddle.net/LHwL2/

for complete help read the css api at http://api.jquery.com/css/